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<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        const User = {
            count: 1,
            getCount: function () {
                return this.count;
            }
        }
        console.log(User.getCount()); // 1 
        const func = User.getCount;
        console.log(func()); // undefined
    </script>
</body>

</html>